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Should I leave my MacBook plugged continuously and only use the battery when mobile? I have been advised to plug it only until charge reaches 100%, unplug it immediately and only plug it in to recharge when charge goes down below 20%. I understand I should minimize charging cycles, but is it correct that leaving it plugged after it reaches 100% impacts performance and lifespan?
MacBook Pro 13″, macOS 10.12
It is a 2020 MacBook Pro 13 inches. I bought it in 2021. It is running on a MacOS Big Sur Version 11.5.2
Processor is 2 GHz Quad-Core Intel Core i5 and has 16GB of RAM.
It is less than a year old.
I installed Malwarebytes on it, and, following your advice, I just trashed it, though I can't remove the icon from the menu bar.
The only App I keep running contiuously on the background is WhatsApp web.
Thanks for the very useful advice.
Age is everything.That makes a difference in how to view battery health data.
What is the Macbook Pro SUB-MODEL?
What OS version is the Mac running?
Both are quickly available from "About this Mac..."
...down to perhaps 3 hours, ....
That runtime number has previously indicated an app at fault.
We had a period here when reports of 2.5- to 3-hour battery runtimes on relatively new Mac notebooks were due to unneeded anti-virus software. Once the AV software was removed, the runtime returned to normal — 7+hours.
Uninstall any so-called "cleaning" apps as well. They do an order of magnitude more harm tham good because they interfere with elegant self-cleaning routine you paid Apple good money to build into the macOS.
Other software causes are:
If your Macbook Pro is old, then you could be seeing the effects of old age on the battery.
Regardless of age, these are good practices, especially for older Macs lacking the power management of new models.:
The problem, and the reason I am asking, is that the battery has deteriorated rapidly. In only a few months, it has come to hold the charge only for a short period of time, down to perhaps 3 hours, and when either browsing or writing using Word. I keep Bluetooth off and only the apps that I am using. It is getting worse.
Leaving it plugged in does no harm; do what's convenient.
Trust you Mac to take care of its battery.
Optimizing battery life and lifespan in MacBook
